C# DataGridView合计行代码,CSharp代码库,德仔网

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【CSharp】 C# DataGridView合计行
作者:Dezai.CN / 发布于2011/12/13/ 718
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<span style="display: inline"><span style="color: rgb(0,128,0)">/*</span><span style="color: rgb(0,128,0)">************************************************
* 作者：许清明
* Cnblogs:</span><span style="color: rgb(0,128,0); text-decoration: underline">http://www.cnblogs.com/xvqm00</span><span style="color: rgb(0,128,0)">
* 
*************************************************</span><span style="color: rgb(0,128,0)">*/</span><span style="color: rgb(0,0,0)">
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Collections.Generic;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Collections;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Text;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Windows.Forms;

</span><span style="color: rgb(0,0,255)">namespace</span><span style="color: rgb(0,0,0)"> WindowsApplication6
{
</span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">class</span><span style="color: rgb(0,0,0)"> FormHelper
{
</span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 添加一行</span><span style="color: rgb(0,0,0)">
</span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">void</span><span style="color: rgb(0,0,0)"> AddRow(DataGridView dg, </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> value)
{
</span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (dg.Rows.Count </span><span style="color: rgb(0,0,0)">></span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">)
{
DelRow(dg, dg.Rows.Count </span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">);
}
dg.Rows.Add();
</span><span style="color: rgb(0,0,255)">for</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> i </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">; i </span><span style="color: rgb(0,0,0)"><</span><span style="color: rgb(0,0,0)"> dg.Columns.Count; i</span><span style="color: rgb(0,0,0)">++</span><span style="color: rgb(0,0,0)">)
{
dg.Rows[dg.Rows.Count </span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">].Cells[i].Value </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> value;
}
dg.CurrentCell </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> dg.Rows[dg.Rows.Count </span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">].Cells[</span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">];
TotalRow(dg);
}
</span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">
</span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 编辑一行</span><span style="color: rgb(0,0,0)">
</span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">void</span><span style="color: rgb(0,0,0)"> EditRow(DataGridView dg)
{
DelRow(dg, dg.Rows.Count </span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">);
TotalRow(dg); 
}
</span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">
</span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 删除一行</span><span style="color: rgb(0,0,0)">
</span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">void</span><span style="color: rgb(0,0,0)"> DelRow(DataGridView dg,</span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> index)
{
dg.Rows.Remove(dg.Rows[index]);
}
</span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">
</span><span style="color: rgb(0,0,255)">#region</span><span style="color: rgb(0,0,0)"> 合计行</span><span style="color: rgb(0,0,0)">
</span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">void</span><span style="color: rgb(0,0,0)"> TotalRow(DataGridView dg)
{
dg.Rows.Add();
DataGridViewRow dgr </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> dg.Rows[dg.Rows.Count </span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">];
dgr.ReadOnly </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">true</span><span style="color: rgb(0,0,0)">;
dgr.DefaultCellStyle.BackColor </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> System.Drawing.Color.Khaki;
dgr.Cells[</span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">].Value </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">合计</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;
</span><span style="color: rgb(0,0,255)">for</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(0,0,255)">int</span><span style="color: rgb(0,0,0)"> i </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">0</span><span style="color: rgb(0,0,0)">; i </span><span style="color: rgb(0,0,0)"><</span><span style="color: rgb(0,0,0)"> dg.Rows.Count </span><span style="color: rgb(0,0,0)">-</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,128)">1</span><span style="color: rgb(0,0,0)">; i</span><span style="color: rgb(0,0,0)">++</span><span style="color: rgb(0,0,0)">)
{
dgr.Cells[</span><span style="color: rgb(128,0,128)">3</span><span style="color: rgb(0,0,0)">].Value </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> Convert.ToSingle(dgr.Cells[</span><span style="color: rgb(128,0,128)">3</span><span style="color: rgb(0,0,0)">].Value) </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> Convert.ToSingle(dg.Rows[i].Cells[</span><span style="color: rgb(128,0,128)">3</span><span style="color: rgb(0,0,0)">].Value);
}
}
</span><span style="color: rgb(0,0,255)">#endregion</span><span style="color: rgb(0,0,0)">
}
}</span></span>
</div>
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